That's not correct. The expression refers to the shards of broken glass after the Nazis destroyed the windows of Jewish stores and homes; among many other atrocities, like killing over a hundred Jewish people.
Which is why we don't use the expression any more and refer to these events as the November pogroms instead, because that better conveys the scope.
In case you didn't know, Münecat recently uploaded a three-hour video debunking evolutionary psychology: https://youtu.be/31e0RcImReY
I figure the overlap between hbomberguy and münecat viewers in the Venn diagram is basically a circle, so that should help if you have an hbomberguy craving.
I believe it was because it was such a weird and dramatic shift in tone from the regular CAD content, which was not all that great to begin with. You probably had to be there (I wasn't).
What a wild thing to say.